1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright 2018 6WIND S.A. 3 * Copyright 2018 Mellanox Technologies, Ltd 4 */ 5 6 #ifndef MLX5_GLUE_H_ 7 #define MLX5_GLUE_H_ 8 9 #include <stddef.h> 10 #include <stdint.h> 11 /* Verbs headers do not support -pedantic. */ 12 #ifdef PEDANTIC 13 #pragma GCC diagnostic ignored "-Wpedantic" 14 #endif 15 #include <infiniband/mlx5dv.h> 16 #include <infiniband/verbs.h> 17 #ifdef PEDANTIC 18 #pragma GCC diagnostic error "-Wpedantic" 19 #endif 20 21 #include <rte_byteorder.h> 22 23 #include "mlx5_autoconf.h" 24 25 #ifndef MLX5_GLUE_VERSION 26 #define MLX5_GLUE_VERSION "" 27 #endif 28 29 #ifndef HAVE_IBV_DEVICE_COUNTERS_SET_V42 30 struct ibv_counter_set; 31 struct ibv_counter_set_data; 32 struct ibv_counter_set_description; 33 struct ibv_counter_set_init_attr; 34 struct ibv_query_counter_set_attr; 35 #endif 36 37 #ifndef HAVE_IBV_DEVICE_COUNTERS_SET_V45 38 struct ibv_counters; 39 struct ibv_counters_init_attr; 40 struct ibv_counter_attach_attr; 41 #endif 42 43 #ifndef HAVE_IBV_DEVICE_TUNNEL_SUPPORT 44 struct mlx5dv_qp_init_attr; 45 #endif 46 47 #ifndef HAVE_IBV_DEVICE_STRIDING_RQ_SUPPORT 48 struct mlx5dv_wq_init_attr; 49 #endif 50 51 #ifndef HAVE_IBV_FLOW_DV_SUPPORT 52 struct mlx5dv_flow_matcher; 53 struct mlx5dv_flow_matcher_attr; 54 struct mlx5dv_flow_action_attr; 55 struct mlx5dv_flow_match_parameters; 56 struct mlx5dv_dr_flow_meter_attr; 57 struct ibv_flow_action; 58 enum mlx5dv_flow_action_packet_reformat_type { packet_reformat_type = 0, }; 59 enum mlx5dv_flow_table_type { flow_table_type = 0, }; 60 #endif 61 62 #ifndef HAVE_IBV_FLOW_DEVX_COUNTERS 63 #define MLX5DV_FLOW_ACTION_COUNTERS_DEVX 0 64 #endif 65 66 #ifndef HAVE_IBV_DEVX_OBJ 67 struct mlx5dv_devx_obj; 68 struct mlx5dv_devx_umem { uint32_t umem_id; }; 69 struct mlx5dv_devx_uar { void *reg_addr; void *base_addr; uint32_t page_id; }; 70 #endif 71 72 #ifndef HAVE_IBV_DEVX_ASYNC 73 struct mlx5dv_devx_cmd_comp; 74 struct mlx5dv_devx_async_cmd_hdr; 75 #endif 76 77 #ifndef HAVE_MLX5DV_DR 78 enum mlx5dv_dr_domain_type { unused, }; 79 struct mlx5dv_dr_domain; 80 #endif 81 82 #ifndef HAVE_MLX5DV_DR_DEVX_PORT 83 struct mlx5dv_devx_port; 84 #endif 85 86 #ifndef HAVE_MLX5_DR_CREATE_ACTION_FLOW_METER 87 struct mlx5dv_dr_flow_meter_attr; 88 #endif 89 90 #ifndef HAVE_IBV_DEVX_EVENT 91 struct mlx5dv_devx_event_channel { int fd; }; 92 struct mlx5dv_devx_async_event_hdr; 93 #define MLX5DV_DEVX_CREATE_EVENT_CHANNEL_FLAGS_OMIT_EV_DATA 1 94 #endif 95 96 #ifndef HAVE_IBV_VAR 97 struct mlx5dv_var { uint32_t page_id; uint32_t length; off_t mmap_off; 98 uint64_t comp_mask; }; 99 #endif 100 101 #ifndef HAVE_IBV_RELAXED_ORDERING 102 #define IBV_ACCESS_RELAXED_ORDERING 0 103 #endif 104 105 /* LIB_GLUE_VERSION must be updated every time this structure is modified. */ 106 struct mlx5_glue { 107 const char *version; 108 int (*fork_init)(void); 109 struct ibv_pd *(*alloc_pd)(struct ibv_context *context); 110 int (*dealloc_pd)(struct ibv_pd *pd); 111 struct ibv_device **(*get_device_list)(int *num_devices); 112 void (*free_device_list)(struct ibv_device **list); 113 struct ibv_context *(*open_device)(struct ibv_device *device); 114 int (*close_device)(struct ibv_context *context); 115 int (*query_device)(struct ibv_context *context, 116 struct ibv_device_attr *device_attr); 117 int (*query_device_ex)(struct ibv_context *context, 118 const struct ibv_query_device_ex_input *input, 119 struct ibv_device_attr_ex *attr); 120 int (*query_rt_values_ex)(struct ibv_context *context, 121 struct ibv_values_ex *values); 122 int (*query_port)(struct ibv_context *context, uint8_t port_num, 123 struct ibv_port_attr *port_attr); 124 struct ibv_comp_channel *(*create_comp_channel) 125 (struct ibv_context *context); 126 int (*destroy_comp_channel)(struct ibv_comp_channel *channel); 127 struct ibv_cq *(*create_cq)(struct ibv_context *context, int cqe, 128 void *cq_context, 129 struct ibv_comp_channel *channel, 130 int comp_vector); 131 int (*destroy_cq)(struct ibv_cq *cq); 132 int (*get_cq_event)(struct ibv_comp_channel *channel, 133 struct ibv_cq **cq, void **cq_context); 134 void (*ack_cq_events)(struct ibv_cq *cq, unsigned int nevents); 135 struct ibv_rwq_ind_table *(*create_rwq_ind_table) 136 (struct ibv_context *context, 137 struct ibv_rwq_ind_table_init_attr *init_attr); 138 int (*destroy_rwq_ind_table)(struct ibv_rwq_ind_table *rwq_ind_table); 139 struct ibv_wq *(*create_wq)(struct ibv_context *context, 140 struct ibv_wq_init_attr *wq_init_attr); 141 int (*destroy_wq)(struct ibv_wq *wq); 142 int (*modify_wq)(struct ibv_wq *wq, struct ibv_wq_attr *wq_attr); 143 struct ibv_flow *(*create_flow)(struct ibv_qp *qp, 144 struct ibv_flow_attr *flow); 145 int (*destroy_flow)(struct ibv_flow *flow_id); 146 int (*destroy_flow_action)(void *action); 147 struct ibv_qp *(*create_qp)(struct ibv_pd *pd, 148 struct ibv_qp_init_attr *qp_init_attr); 149 struct ibv_qp *(*create_qp_ex) 150 (struct ibv_context *context, 151 struct ibv_qp_init_attr_ex *qp_init_attr_ex); 152 int (*destroy_qp)(struct ibv_qp *qp); 153 int (*modify_qp)(struct ibv_qp *qp, struct ibv_qp_attr *attr, 154 int attr_mask); 155 struct ibv_mr *(*reg_mr)(struct ibv_pd *pd, void *addr, 156 size_t length, int access); 157 struct ibv_mr *(*alloc_null_mr)(struct ibv_pd *pd); 158 int (*dereg_mr)(struct ibv_mr *mr); 159 struct ibv_counter_set *(*create_counter_set) 160 (struct ibv_context *context, 161 struct ibv_counter_set_init_attr *init_attr); 162 int (*destroy_counter_set)(struct ibv_counter_set *cs); 163 int (*describe_counter_set) 164 (struct ibv_context *context, 165 uint16_t counter_set_id, 166 struct ibv_counter_set_description *cs_desc); 167 int (*query_counter_set)(struct ibv_query_counter_set_attr *query_attr, 168 struct ibv_counter_set_data *cs_data); 169 struct ibv_counters *(*create_counters) 170 (struct ibv_context *context, 171 struct ibv_counters_init_attr *init_attr); 172 int (*destroy_counters)(struct ibv_counters *counters); 173 int (*attach_counters)(struct ibv_counters *counters, 174 struct ibv_counter_attach_attr *attr, 175 struct ibv_flow *flow); 176 int (*query_counters)(struct ibv_counters *counters, 177 uint64_t *counters_value, 178 uint32_t ncounters, 179 uint32_t flags); 180 void (*ack_async_event)(struct ibv_async_event *event); 181 int (*get_async_event)(struct ibv_context *context, 182 struct ibv_async_event *event); 183 const char *(*port_state_str)(enum ibv_port_state port_state); 184 struct ibv_cq *(*cq_ex_to_cq)(struct ibv_cq_ex *cq); 185 void *(*dr_create_flow_action_dest_flow_tbl)(void *tbl); 186 void *(*dr_create_flow_action_dest_port)(void *domain, 187 uint32_t port); 188 void *(*dr_create_flow_action_drop)(void); 189 void *(*dr_create_flow_action_push_vlan) 190 (struct mlx5dv_dr_domain *domain, 191 rte_be32_t vlan_tag); 192 void *(*dr_create_flow_action_pop_vlan)(void); 193 void *(*dr_create_flow_tbl)(void *domain, uint32_t level); 194 int (*dr_destroy_flow_tbl)(void *tbl); 195 void *(*dr_create_domain)(struct ibv_context *ctx, 196 enum mlx5dv_dr_domain_type domain); 197 int (*dr_destroy_domain)(void *domain); 198 struct ibv_cq_ex *(*dv_create_cq) 199 (struct ibv_context *context, 200 struct ibv_cq_init_attr_ex *cq_attr, 201 struct mlx5dv_cq_init_attr *mlx5_cq_attr); 202 struct ibv_wq *(*dv_create_wq) 203 (struct ibv_context *context, 204 struct ibv_wq_init_attr *wq_attr, 205 struct mlx5dv_wq_init_attr *mlx5_wq_attr); 206 int (*dv_query_device)(struct ibv_context *ctx_in, 207 struct mlx5dv_context *attrs_out); 208 int (*dv_set_context_attr)(struct ibv_context *ibv_ctx, 209 enum mlx5dv_set_ctx_attr_type type, 210 void *attr); 211 int (*dv_init_obj)(struct mlx5dv_obj *obj, uint64_t obj_type); 212 struct ibv_qp *(*dv_create_qp) 213 (struct ibv_context *context, 214 struct ibv_qp_init_attr_ex *qp_init_attr_ex, 215 struct mlx5dv_qp_init_attr *dv_qp_init_attr); 216 void *(*dv_create_flow_matcher) 217 (struct ibv_context *context, 218 struct mlx5dv_flow_matcher_attr *matcher_attr, 219 void *tbl); 220 void *(*dv_create_flow)(void *matcher, void *match_value, 221 size_t num_actions, void *actions[]); 222 void *(*dv_create_flow_action_counter)(void *obj, uint32_t offset); 223 void *(*dv_create_flow_action_dest_ibv_qp)(void *qp); 224 void *(*dv_create_flow_action_dest_devx_tir)(void *tir); 225 void *(*dv_create_flow_action_modify_header) 226 (struct ibv_context *ctx, enum mlx5dv_flow_table_type ft_type, 227 void *domain, uint64_t flags, size_t actions_sz, 228 uint64_t actions[]); 229 void *(*dv_create_flow_action_packet_reformat) 230 (struct ibv_context *ctx, 231 enum mlx5dv_flow_action_packet_reformat_type reformat_type, 232 enum mlx5dv_flow_table_type ft_type, 233 struct mlx5dv_dr_domain *domain, 234 uint32_t flags, size_t data_sz, void *data); 235 void *(*dv_create_flow_action_tag)(uint32_t tag); 236 void *(*dv_create_flow_action_meter) 237 (struct mlx5dv_dr_flow_meter_attr *attr); 238 int (*dv_modify_flow_action_meter)(void *action, 239 struct mlx5dv_dr_flow_meter_attr *attr, uint64_t modify_bits); 240 void *(*dr_create_flow_action_default_miss)(void); 241 int (*dv_destroy_flow)(void *flow); 242 int (*dv_destroy_flow_matcher)(void *matcher); 243 struct ibv_context *(*dv_open_device)(struct ibv_device *device); 244 struct mlx5dv_var *(*dv_alloc_var)(struct ibv_context *context, 245 uint32_t flags); 246 void (*dv_free_var)(struct mlx5dv_var *var); 247 struct mlx5dv_devx_uar *(*devx_alloc_uar)(struct ibv_context *context, 248 uint32_t flags); 249 void (*devx_free_uar)(struct mlx5dv_devx_uar *devx_uar); 250 struct mlx5dv_devx_obj *(*devx_obj_create) 251 (struct ibv_context *ctx, 252 const void *in, size_t inlen, 253 void *out, size_t outlen); 254 int (*devx_obj_destroy)(struct mlx5dv_devx_obj *obj); 255 int (*devx_obj_query)(struct mlx5dv_devx_obj *obj, 256 const void *in, size_t inlen, 257 void *out, size_t outlen); 258 int (*devx_obj_modify)(struct mlx5dv_devx_obj *obj, 259 const void *in, size_t inlen, 260 void *out, size_t outlen); 261 int (*devx_general_cmd)(struct ibv_context *context, 262 const void *in, size_t inlen, 263 void *out, size_t outlen); 264 struct mlx5dv_devx_cmd_comp *(*devx_create_cmd_comp) 265 (struct ibv_context *context); 266 void (*devx_destroy_cmd_comp)(struct mlx5dv_devx_cmd_comp *cmd_comp); 267 int (*devx_obj_query_async)(struct mlx5dv_devx_obj *obj, 268 const void *in, size_t inlen, 269 size_t outlen, uint64_t wr_id, 270 struct mlx5dv_devx_cmd_comp *cmd_comp); 271 int (*devx_get_async_cmd_comp)(struct mlx5dv_devx_cmd_comp *cmd_comp, 272 struct mlx5dv_devx_async_cmd_hdr *resp, 273 size_t cmd_resp_len); 274 struct mlx5dv_devx_umem *(*devx_umem_reg)(struct ibv_context *context, 275 void *addr, size_t size, 276 uint32_t access); 277 int (*devx_umem_dereg)(struct mlx5dv_devx_umem *dv_devx_umem); 278 int (*devx_qp_query)(struct ibv_qp *qp, 279 const void *in, size_t inlen, 280 void *out, size_t outlen); 281 int (*devx_port_query)(struct ibv_context *ctx, 282 uint32_t port_num, 283 struct mlx5dv_devx_port *mlx5_devx_port); 284 int (*dr_dump_domain)(FILE *file, void *domain); 285 int (*devx_query_eqn)(struct ibv_context *context, uint32_t cpus, 286 uint32_t *eqn); 287 struct mlx5dv_devx_event_channel *(*devx_create_event_channel) 288 (struct ibv_context *context, int flags); 289 void (*devx_destroy_event_channel) 290 (struct mlx5dv_devx_event_channel *event_channel); 291 int (*devx_subscribe_devx_event) 292 (struct mlx5dv_devx_event_channel *event_channel, 293 struct mlx5dv_devx_obj *obj, 294 uint16_t events_sz, 295 uint16_t events_num[], 296 uint64_t cookie); 297 int (*devx_subscribe_devx_event_fd) 298 (struct mlx5dv_devx_event_channel *event_channel, 299 int fd, 300 struct mlx5dv_devx_obj *obj, 301 uint16_t event_num); 302 ssize_t (*devx_get_event) 303 (struct mlx5dv_devx_event_channel *event_channel, 304 struct mlx5dv_devx_async_event_hdr *event_data, 305 size_t event_resp_len); 306 void (*dr_reclaim_domain_memory)(void *domain, uint32_t enable); 307 struct mlx5dv_pp *(*dv_alloc_pp)(struct ibv_context *context, 308 size_t pp_context_sz, 309 const void *pp_context, 310 uint32_t flags); 311 void (*dv_free_pp)(struct mlx5dv_pp *pp); 312 }; 313 314 extern const struct mlx5_glue *mlx5_glue; 315 316 #endif /* MLX5_GLUE_H_ */ 317